Bridge-wall for furnaces.



R. WAGER. BRIDGE WALL FOR FURNACBS. APPMGATIOE FILED AUG. 1o. 19u.

Pannted Apr. 2, 1912.

R. WAGER.

BRDGE WALL FOR FURNAGBS.

lAPPLIQAlmN MLED AU|3.10,1911.

1,024,301. Patented Apr.23, 1912.

2 SHEETS-S HEBT 2.

30 'Robert Wager have@ atto'mmp UNITED STATES PATENT OFFTCE.

ROBERT WAGER, 0F JERSEY CITYA NEVI JERSEY.

BRIDU @WALL FOR FURNACES.

Specification of Lettera Ptmlt.

Application led Aug-usi; l0A 1911. Serial No. 643,42'1.

f l Willi;

`G5 quiehliF burning;r out.

in adjacent to the ends thereof are bolt hoes 14 the purpose of whichwill also be hereinafter described. f

The parts described in the foregoingr muyY be of the usual or anysuitable construct ion and the back casting 7 may have been formerlyemployed for supporting n fire brick bridge wall.

`My improved bridge wall comprises end or outer sections l5 :ind nseries of intermediate sections 16. These sections 15 and 16 are in theforni of substantially seginental plates and the end or head sections l5have formed on their inner sides segmental curved flanges 17 in which:ire formed npper and lower notches 1S. On the enter side of thesections l5 are formed vertically dis- `posed laterally projecting ribs1t) to enter the eorrngation of the boiler for an obvious purpose, asclearly shown in Fig. 2. ln

the lower edges of the sections 15 are formed y recesses 20 while theinner corners of said sect-ions are ent olf at an single :is at 21 toform spaces 22 between the same and the adjacent parts of the backcasting as clearly shown in Fig. 1 of the drawings. The recesses 9.0 andvthe spaces 22 provide for n free circulation of air betwee the loweredges of the sections and the a jacent parts of the beck casting.

In the inner edges of the sections 15 are formed rectangular not-ches Q3and the edges of the notches 23 :md the adjacentinnel and upper edgespfthe sections or plates 15 nre provided with laterally7 projectingflanges 94 which extend on both sides of the plates or sections asshown. 0n the flanged npper edges of the recesses 23 adjacent to theinner edge of the upper portion of the plates or sections are formedstop lugs 25 the. pnrpose of which will be hereinafter described.

The intermediate sections or plates 'I6 have formed on cach sideadjacent to the curved outer edge thereof curved spacing ribs 36 inenel] of which is formed n series of notches Il' which when the.sections or plates :1re assembled will be brought into nlinement as seenin, Fig. 3 and thus forni air passages through which air is permitted tocirculate between the plates or sections and out intuitie fire box ofthe 'furnne-e. ln the lower edge of the sections or lates lt are lformedsegmental notches 28 while. the inner corners of said plates or sectionsare cut ofi' as at 29 to form spaces between the inner lower portions ofthe sections und the adjacent portions of the bach casting. These spacestogether with the spaces formed by the recesses 20 provide forwfreecircnlntion of air through the holes l in the bottom of the backcasting and beneath the sections or platesof the bridge wall. By thus.permitting of the free circulation of air the plates or sections areprevented `from In order to increase the space between the plates o1'seetioilisY around the recesses or notches 28 and the cut otl portions29 I preferably recess the opposite sides of the plates or sections:nljaeent to these parts as shown at 30 in Fig. 5 of the drawings.

In the inner edges of the sections 16 Figs. 5 and 6, are formed notches31 whic correspond to the notches Q3 of the end plates and on the edgesof said notches Ill are formed laterally extending flanges 22 whiehproject on op )os-ite sides of the plntesv as shown. The flanges 32 formpractically a continuation ot the upper portion of the ribs 26 on theopposite sidesof thesertions. On the upper edges of the recess 31:ulineent to the inner edges of the plates are formed stop lugs 33 whichcorrespond to and are for the same purpose as the lugs 2,5 hereinbeforereferred t.

Arranged in the notches Q23 and 31 and adapted to he engaged with thestop lugs 25 and 33 of the bridge wall is a section clamp'- ing bar 34which extends the entire length of the bridge wall orthrough all of thescetions thereof shown. The bar 34 has ar ranged thereon adjacent to itsends laterally projecting clamping bolts 35 which are adapted lo beinserted through the bolt holes 14 in the vertical portion oi' the backensting. -On the outer ends of the bolts nre arranged clamping nutsPiilbv means ot which the bnr 34 is drawn against the stop lugs 25 and33 of the bridge walls or sections und the latter thiis drawn beek andclamped into operative engag-ementJ with the vertnnl wall of the beckcasting),r as clearly shown in Fig. 1 of the drawings. On the bolts 35are also arranged juni nots 37 wherehy the bolts are locked after beingadjusted to fasten the sections of the bridge wall in place. lly thusfastening the sections of the lfnidge wall it will be readily seen thatany of seid sections may he quickly and easily removed by siniplyloosening the clamping nots 3G and relensing the bar Ill whereupon thedesired section may be lifted a slilieient distnnee to disengnge thestop lop; oi-.ll thereon from between the clnrnpingr bnr and adjacent.part of the boel( casting whereupon the section may be slipped out :indn new section insorted without distnrbiiuer any of the other sections ornecessitating: the removnl ot' or interfering n any manner with thesnpportin plzxle 2 or the bueh casting i'.

initie sections nre arranged transversely disposed apertnrcs 3S whichform air passages and which also serve as bolt holes with' which ifdesired may be engaged section `fastening bolts whereby one section maybe fastened to the adjoining sections should the stop lugs 25 thereonfail to properly engager:

the space between the clamping bnr 34 sindt thg adjacent portion of thebeck casting.

n assembling thesections" it will be noteflgn 1ers that 11111v inwnton11111.11' |111 installi-1l :1l :1

1:1 11gi1111'1111ti111n what tndinal Slots: and bolts paSsing throughtht-. 1- l11t :1111i tho porforatiomI ot' H111 horizontal yhrltrto:nljnstahllv :1111i reanotahlv 111011111 thm:A parta logrthor.

1. T11 a'hoilor f111'11a1-0. :1 transvursu verti- 1'11l 11i-'11h11'11'all supporting platvproritivrl :1t itQ oppor (1nd with a prrforatwlhorizontal in1\':1r1il \1 t-Xtfnfling .aholfl :intl :1 hawk rastinfrharina a vrltical portion :1l1o1'c :1nd 111 ,anlntantially tho1'1-1'tiral plano of the apporting plato. Sani hawk mating bring :1h11p1o\'i1l1\1l with :1 horizontal inwardly projortinfl portion resting onthtl .-h0lt` of tl11 |1pporli11; r plato haring l1111`g'it111li11nl lot,holt pz1 i11f v through thrw(1 slot# :1111i tl11l prr'oratimH ot' thv.horizontal Sholf to :oljlh'tahl :1111i 1-1111111'11l1l1 Oruro-thoraxpark` tom-thor. :1111i 1'111'ti1al longitntiinallv di@- p11-111l hriflgvwall Srf'tions resting 11111111 the horizontal portion of thc` harlr#notion r11- 111o\:1l1l\' swnrml to the? oppor portion thoroof :1111ithvrvhy acljnlahly :1111i rmnorahly l11l1l with rvlation to thtl hriflgoWall 91111w porting plato.

Abachil castm stentiall the vertical lane of the supportgrpl'e and provied with bolt holes, bri ge Well sect-ions arranged side by side restingupon the horizontal portion of the and against the verticalportion'thereo and provided with recesses in their rear edges and adepending lug in each recess, a single transverse clam ing bar enge, edin all of the recesses o the bridge wa l sections inside of said lugs,and bolts projecting from the clamping ber out of the recesses andthrough the bolt holes of thetvertical portion of t-he back casting.

6. As en article of manufacture, a bridge wall section comprising a castplete of segmental shape formed vwith recesses in its lower portion Aandlaterally projecting flanges extending along its curved upper edge andformed with notches, the rear or outer end of the plate being formedwith a Arectangular recess to receive clamping witnesses.

ROBERT WAGEH.

Witnesses HARRY W. FARNHAM, THOMAS W. CASEY.

